package commons;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public class SpringContextUtil implements ApplicationContextAware{
	private static ApplicationContext applicationContext;
	
	@Override
	public void setApplicationContext(ApplicationContext ac) throws BeansException {
		SpringContextUtil.applicationContext = ac;
	}

	/**
	 * 根据一个bean的id获取配置文件中相应的bean
	 * @param name
	 * @return
	 * @throws BeansException
	 */
	public static Object getBean(String name) throws BeansException {
		return applicationContext.getBean(name);
	}
	
	/**
	 * 根据一个bean的id获取配置文件中相应的bean
	 * @param name
	 * @return
	 * @throws BeansException
	 */
	public static <T> T getBean(String name, Class<T> clazz) throws BeansException {
		return applicationContext.getBean(name, clazz);
	}
}
